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  2. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    In summer, ceiling fans and table/floor fans circulate air within a room for the purpose of reducing the perceived temperature by increasing evaporation of perspiration on the skin of the occupants. Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the ...

  3. Daikin - Wikipedia

    en.wikipedia.org/wiki/Daikin

    In the filtration realm, Daikin acquired American Air Filter (AAF) in 2007, [11] and Flanders in 2016. [12] The resulting entity is known both as AAF International and AAF Flanders. In 2008, Daikin purchased a 75% share of All World Machinery Supply based in Roscoe, Illinois. [13] In 2009, Daikin Airconditioning Philippines was established. [14]

  4. Daikin Applied Americas - Wikipedia

    en.wikipedia.org/wiki/Daikin_Applied_Americas

    In 2006, McQuay was acquired by Daikin Industries, a global manufacturer of both commercial and residential air conditioning equipment based in Osaka, Japan. Daikin had annual sales of $13 billion in 2009. [2] Daikin was named one of the 100 most sustainable corporations for three years in a row by Corporate Knights, Inc., from 2007 through ...

  5. Glossary of HVAC terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_HVAC_terms

    radiant floor A type of radiant heating system where the building floor contains channels or tubes through which hot fluids such as air or water are circulated. The whole floor is evenly heated. Thus, the room is heated from the bottom up. Radiant floor heating eliminates the draft and dust problems associated with forced air heating systems ...

  6. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning, often abbreviated as A/C (US) or air con (UK), [1] is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature and in some cases also controlling the humidity of internal air.

  7. Variable refrigerant flow - Wikipedia

    en.wikipedia.org/wiki/Variable_refrigerant_flow

    Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller-based systems.

  8. Goodman Global - Wikipedia

    en.wikipedia.org/wiki/Goodman_Global

    In August 2012, Hellman & Friedman agreed to sell Goodman Global to Japan's Daikin Industries Ltd. for $3.7 billion. In 2015, Daikin commenced construction of the state-of-the-art Daikin Texas Technology Park campus near Houston, Texas. This project, costing over $400 million, was the largest investment made in Daikin’s 90-year history.

  9. Gree Electric - Wikipedia

    en.wikipedia.org/wiki/Gree_Electric

    Gree Electric's Chairwoman is Dong Mingzhu, or "Sister Dong" as she is known in China. [2] She was appointed CEO in 2009. [citation needed] She joined the company in 1990.[citation needed] Dong was also the Chairwoman of its largest shareholder at the time, Gree Group, until November 2016. [8]